Enabling posted interrupts requires the virtual interrupt delivery feature,
which is disabled for PVH guests, so make sure posted interrupts are also
disabled or else vmlaunch will fail.
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reported-and-Tested-by: Lars Eggert <l...@netapp.com>
Acked-by: Kevin Tian <kevin.t...@intel.com>
Cc: Jun Nakajima <jun.nakaj...@intel.com>
Cc: Eddie Dong <eddie.d...@intel.com>
Cc: Kevin Tian <kevin.t...@intel.com>
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
---
Changes since v2:
- Move the code so it's closer to virtual interrupt delivery disabling.
- Update comment.
---
xen/arch/x86/hvm/vmx/vmcs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c
index a714549..f585883 100644
--- a/xen/arch/x86/hvm/vmx/vmcs.c
+++ b/xen/arch/x86/hvm/vmx/vmcs.c
@@ -976,6 +976,10 @@ static int construct_vmcs(struct vcpu *v)
| SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
v->arch.hvm_vmx.exec_control &= ~CPU_BASED_TPR_SHADOW;
+ /* In turn, disable posted interrupts. */
+ __vmwrite(PIN_BASED_VM_EXEC_CONTROL,
+ vmx_pin_based_exec_control & ~PIN_BASED_POSTED_INTERRUPT);
+
/* Unrestricted guest (real mode for EPT) */
v->arch.hvm_vmx.secondary_exec_control &=
~SECONDARY_EXEC_UNRESTRICTED_GUEST;
--
1.9.5 (Apple Git-50.3)
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